How does Hawthorne describe Dimmesdale, either physically or emotionally, at the beginning of Chapter 13?

When Hester finds Dimmesdale on the scaffolding, Hawthorne describes him as tired, poor, fallen, sick, reduced, weak like a child, and so on. He is near a state of nervous collapse and is physically exhausted, sick and tired-looking. This also foreshadows how Dimmesdale will be at the end of the book, as guilt eats him from the inside.